<script>
import {fade} from "svelte/transition"
    export let progress = 0;

    let visible = true;
</script>

<style>
    .wrapper {
        position: absolute;
        width: 100vw;
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    p {
        color: aliceblue;
    }

    .sk-chase {
    width: 40px;
    height: 40px;
    position: relative;
    animation: sk-chase 2.5s infinite linear both;
    }

    .sk-chase-dot {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0; 
    animation: sk-chase-dot 2.0s infinite ease-in-out both; 
    }

    .sk-chase-dot:before {
    content: '';
    display: block;
    width: 25%;
    height: 25%;
    background-color: #fff;
    border-radius: 100%;
    animation: sk-chase-dot-before 2.0s infinite ease-in-out both; 
    }

    .sk-chase-dot:nth-child(1) { animation-delay: -1.1s; }
    .sk-chase-dot:nth-child(2) { animation-delay: -1.0s; }
    .sk-chase-dot:nth-child(3) { animation-delay: -0.9s; }
    .sk-chase-dot:nth-child(4) { animation-delay: -0.8s; }
    .sk-chase-dot:nth-child(5) { animation-delay: -0.7s; }
    .sk-chase-dot:nth-child(6) { animation-delay: -0.6s; }
    .sk-chase-dot:nth-child(1):before { animation-delay: -1.1s; }
    .sk-chase-dot:nth-child(2):before { animation-delay: -1.0s; }
    .sk-chase-dot:nth-child(3):before { animation-delay: -0.9s; }
    .sk-chase-dot:nth-child(4):before { animation-delay: -0.8s; }
    .sk-chase-dot:nth-child(5):before { animation-delay: -0.7s; }
    .sk-chase-dot:nth-child(6):before { animation-delay: -0.6s; }

    @keyframes sk-chase {
    100% { transform: rotate(360deg); } 
    }

    @keyframes sk-chase-dot {
    80%, 100% { transform: rotate(360deg); } 
    }

    @keyframes sk-chase-dot-before {
    50% {
        transform: scale(0.4); 
    } 100%, 0% {
        transform: scale(1.0); 
    } 
    }
</style>

<!-- {#if visible} -->
<div class="wrapper">
    <div class="sk-chase overlay">
        <div class="sk-chase-dot"></div>
        <div class="sk-chase-dot"></div>
        <div class="sk-chase-dot"></div>
        <div class="sk-chase-dot"></div>
        <div class="sk-chase-dot"></div>
        <div class="sk-chase-dot"></div>
    </div>
    <p class="overlay">{progress}</p>
</div>
<!-- {/if} -->